<?php
/**
 * Summary report for PHP_CodeSniffer.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Reports;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Util;

class Summary implements Report
{
    /**
     * Generate a partial report for a single processed file.
     *
     * Function should return TRUE if it printed or stored data about the file
     * and FALSE if it ignored the file. Returning TRUE indicates that the file and
     * its data should be counted in the grand totals.
     *
     * @param array                 $report      Prepared report data.
     * @param \PHP_CodeSniffer\File $phpcsFile   The file being reported on.
     * @param bool                  $showSources Show sources?
     * @param int                   $width       Maximum allowed line width.
     *
     * @return bool
     */
    public function generateFileReport($report, File $phpcsFile, $showSources = false, $width = 80)
    {
        if (PHP_CODESNIFFER_VERBOSITY === 0
            && 0 === $report['errors']
            && 0 === $report['warnings']
        ) {
            // Nothing to print.
            return false;
        }

        echo $report['filename'] . '>>' . $report['errors'] . '>>' . $report['warnings'] . PHP_EOL;

        return true;
    }

    //end generateFileReport()

    /**
     * Generates a summary of errors and warnings for each file processed.
     *
     * @param string $cachedData    Any partial report data that was returned from
     *                              generateFileReport during the run.
     * @param int    $totalFiles    Total number of files processed during the run.
     * @param int    $totalErrors   Total number of errors found during the run.
     * @param int    $totalWarnings Total number of warnings found during the run.
     * @param int    $totalFixable  Total number of problems that can be fixed.
     * @param bool   $showSources   Show sources?
     * @param int    $width         Maximum allowed line width.
     * @param bool   $interactive   Are we running in interactive mode?
     * @param bool   $toScreen      Is the report being printed to screen?
     */
    public function generate(
        $cachedData,
        $totalFiles,
        $totalErrors,
        $totalWarnings,
        $totalFixable,
        $showSources = false,
        $width = 80,
        $interactive = false,
        $toScreen = true
    ) {
        $lines = explode(PHP_EOL, $cachedData);
        array_pop($lines);

        if (true === empty($lines)) {
            return;
        }

        $reportFiles = [];
        $maxLength = 0;

        foreach ($lines as $line) {
            $parts = explode('>>', $line);
            $fileLen = \strlen($parts[0]);
            $reportFiles[$parts[0]] = [
                'errors' => $parts[1],
                'warnings' => $parts[2],
                'strlen' => $fileLen,
            ];

            $maxLength = max($maxLength, $fileLen);
        }

        uksort(
            $reportFiles,
            function ($keyA, $keyB) {
                $pathPartsA = explode(\DIRECTORY_SEPARATOR, $keyA);
                $pathPartsB = explode(\DIRECTORY_SEPARATOR, $keyB);

                do {
                    $partA = array_shift($pathPartsA);
                    $partB = array_shift($pathPartsB);
                } while ($partA === $partB && false === empty($pathPartsA) && false === empty($pathPartsB));

                if (false === empty($pathPartsA) && true === empty($pathPartsB)) {
                    return 1;
                }
                if (true === empty($pathPartsA) && false === empty($pathPartsB)) {
                    return -1;
                }

                return strcasecmp($partA, $partB);
            }
        );

        $width = min($width, ($maxLength + 21));
        $width = max($width, 70);

        echo PHP_EOL . "\033[1m" . 'PHP CODE SNIFFER REPORT SUMMARY' . "\033[0m" . PHP_EOL;
        echo str_repeat('-', $width) . PHP_EOL;
        echo "\033[1m" . 'FILE' . str_repeat(' ', ($width - 20)) . 'ERRORS  WARNINGS' . "\033[0m" . PHP_EOL;
        echo str_repeat('-', $width) . PHP_EOL;

        foreach ($reportFiles as $file => $data) {
            $padding = ($width - 18 - $data['strlen']);
            if ($padding < 0) {
                $file = '...' . substr($file, (($padding * -1) + 3));
                $padding = 0;
            }

            echo $file . str_repeat(' ', $padding) . '  ';
            if (0 !== $data['errors']) {
                echo "\033[31m" . $data['errors'] . "\033[0m";
                echo str_repeat(' ', (8 - \strlen((string)$data['errors'])));
            } else {
                echo '0       ';
            }

            if (0 !== $data['warnings']) {
                echo "\033[33m" . $data['warnings'] . "\033[0m";
            } else {
                echo '0';
            }

            echo PHP_EOL;
        }//end foreach

        echo str_repeat('-', $width) . PHP_EOL;
        echo "\033[1mA TOTAL OF {$totalErrors} ERROR";
        if (1 !== $totalErrors) {
            echo 'S';
        }

        echo ' AND ' . $totalWarnings . ' WARNING';
        if (1 !== $totalWarnings) {
            echo 'S';
        }

        echo ' WERE FOUND IN ' . $totalFiles . ' FILE';
        if (1 !== $totalFiles) {
            echo 'S';
        }

        echo "\033[0m";

        if ($totalFixable > 0) {
            echo PHP_EOL . str_repeat('-', $width) . PHP_EOL;
            echo "\033[1mPHPCBF CAN FIX {$totalFixable} OF THESE SNIFF VIOLATIONS AUTOMATICALLY\033[0m";
        }

        echo PHP_EOL . str_repeat('-', $width) . PHP_EOL . PHP_EOL;

        if (true === $toScreen && false === $interactive) {
            Util\Timing::printRunTime();
        }
    }

    //end generate()
}//end class
